C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

88 4+3 question

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Old Mar 25, 2007 | 05:13 PM
  #1  
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From: peachtree city
Default 88 4+3 question

I'm in the process of replacing my clutch and noticed some play on the input shaft of the tranny. Is there an acceptable amount allowed?
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Old Mar 25, 2007 | 11:01 PM
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When I sent my ST-10 out to get rebuilt and it came back, I recall there was a few degrees of play when turning the input shaft before the output shaft began to turn. At the absolute most, a few degrees though... Every time I've had the trans out, I always play around with it and as far as I can tell, it's still the same amount of play...
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Old Mar 25, 2007 | 11:13 PM
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From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
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There's some rotational play and also radial play in the shaft. You should be able to rock it back and forth a bit.

I don't know how much is acceptable, but there's always some play, the design isn't capable of holding it tight, plus a little play can help compensate for a bellhousing that isn't dead-nuts centered on the motor.
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Old Mar 26, 2007 | 08:35 AM
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From: peachtree city
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True Blue - Thanks. How about any up and down play of the shaft?
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Old Mar 26, 2007 | 01:54 PM
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A very little bit of up and down play, as Central Coaster said, some in and out play as well. The up-down was very very slight as I recall...
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